Answer:
The correct answer is:
d. Musical ability is a type of intelligence
Explanation:
Howard Gardner proposed, in 1983, his Theory of Multiple Intelligences.
Gardner suggest that the traditional views of intelligence are too limited (this leaves out answer c), and that everyone have different types of intelligences (ruling out answer b).
In his theory, Gardner proposed that there are eight intelligences (not 12 like answer a says), most people possesses a range of abilities and is stronger in some of these intelligences, not all.
The eight intelligences, according to Gardner, are:
